reloc.S 1.3 KB

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  1. /*
  2. * Copyright (C) 2009 Wolfgang Denk <wd@denx.de>
  3. *
  4. * See file CREDITS for list of people who contributed to this
  5. * project.
  6. *
  7. * This program is free software; you can redistribute it and/or
  8. * modify it under the terms of the GNU General Public License as
  9. * published by the Free Software Foundation; either version 2 of
  10. * the License, or (at your option) any later version.
  11. *
  12. * This program is distributed in the hope that it will be useful,
  13. * but WITHOUT ANY WARRANTY; without even the implied warranty of
  14. * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
  15. * GNU General Public License for more details.
  16. *
  17. * You should have received a copy of the GNU General Public License
  18. * along with this program; if not, write to the Free Software
  19. * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
  20. * MA 02111-1307 USA
  21. */
  22. #include <ppc_asm.tmpl>
  23. .file "reloc.S"
  24. .text
  25. #ifndef CONFIG_NAND_SPL
  26. /*
  27. * Function: relocate entries for one exception vector
  28. */
  29. .globl trap_reloc
  30. .type trap_reloc, @function
  31. trap_reloc:
  32. lwz r0, 0(r7) /* hdlr ... */
  33. add r0, r0, r3 /* ... += dest_addr */
  34. stw r0, 0(r7)
  35. lwz r0, 4(r7) /* int_return ... */
  36. add r0, r0, r3 /* ... += dest_addr */
  37. stw r0, 4(r7)
  38. lwz r0, 8(r7) /* transfer_to_handler ...*/
  39. add r0, r0, r3 /* ... += dest_addr */
  40. stw r0, 8(r7)
  41. blr
  42. .size trap_reloc, .-trap_reloc
  43. #endif